drm/amd/powerplay: added mutex protection on msg issuing

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This could avoid the possible race condition.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Evan Quan 2020-03-27 11:20:29 +08:00 • committed by Alex Deucher

parent a0ec225633

commit 6b6706cdac

3 changed files with 18 additions and 2 deletions

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3

drivers/gpu/drm/amd/powerplay/amd_powerplay.c

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1

drivers/gpu/drm/amd/powerplay/inc/hwmgr.h

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16

drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c

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